Wool felt is made of wool. At present, it is the oldest fabric form in human history records. The historical records can be traced back to 6500 B.C. at least 8000 years ago. It belongs to the non woven fabric form. It is used by human earlier than the technology of textile and knitting. Wool has the characteristics of softness and toughness, good elasticity, comfortable touch and good reducibility. Because wool felt products can be quickly restored to the original state after folding, not easy to deform. In addition, its fiber structure can be tightly tangled, and its strength and toughness can be completely integrated without knitting, sewing and other processing. Wool felt handicraft, also known as wool felt DIY, is to use wool felt materials to make all kinds of handicraft works, which can be dolls, dolls, groceries, jewelry, accessories, felt, etc. Wool felt is rich in color, easy to make, and the tools used are not complex. This kind of material is very popular in Europe, America, Japan and other countries. Wool felt handicraft is still a fresh handicraft category in China.